Range of

alloys

Moston 
designation

Chemical
Composition%

Mechanical
Properties

Properties
and Uses

Cu Sn 6

M-6 A

Sn 5,5-7,0
P 0,01-0,35
Cu bal.

G: 
Rm* 340
Rp 0,2* 80
A5* 55
HB* 85

Corrosion resistance to a wide range of waters and chemicals, used in electrical motors, gene rators & aircraft engineering.

Cu Sn 4 Pb Zn 4

M-6 B

Sn 3,5-4,5
Pb 3,5-4,5
Zn 3,5-4,5
P 0,01-0,4
Cu bal.

G:
Rm* 450
Rp 0,2* 350
A5* 10
HB* 150

Resistant to sea water and temp.
up to 225 C

Cu Sn 8 

M-6 C

Sn 7,5-8,5
P 0,01-0,35
Cu bal.

G:
Rm* 450
Rp 0,2* 300
A5* 15
HB* 85

High duty fasteners, bearings
and bushes, drive shafts, pump &
valve components, electrical

clamps, connectors and switch gears

Cu Sn 8 P

M-6 D

Sn 7,5-8,5
P 0,2-0,4
Cu bal.

G:
Rm* 460
Rp 0,2* 280
A5* 30
HB* 90

Bearings, sliding elements, particularly for thin wall sliding bushes, bushes, sliding blades, good corrosion resistance

GC
GZ 
G  

Rm
Rp 0,2
A5
HB

Tensile strength in N/mm2

Yield stress in N/mm2
Elongation in %
Hardness Brinell

Range of lloys

Moston 
designation

Chemical
Composition%

Mechanical
Properties

Properties
and Uses